Lubricator.



Patented lan. I5, |90I.

C. B. RICHARDS.

LUBRICATOR. mppumin'med oct. 2o, 1899.)

(No Model.) y

CHARLES B. RICHARDS, OF CLEVELAND, OHIO, ASSIGNOR TO 'll-IE CLEVE- LANDPNEUMATIC TOOL COMPANY, OF SAME PLACE.

LUBRICATOR.

SPEGFICATION forming part of Letters Patent No. 666,025, dated January15, 1901.

Application tiled October Z0, 1899. Serial 110.734: 175. (No model.)

To all whom it may concern: of the stem beneath the disk and has itslower Beit known that I, CHARLES B. RICHARDS, portion fitted in thespring-seat. Said spring a citizen of the United States, and a residentserves to seat the disk and its washer against of Cleveland, county ofCuyahoga, and State the lower fiared end of the feed-opening, as 55 5 ofOhio, have invented certain new and useillustrated in Fig. I. l

ful Improvements in Lubricators, of which When the oil-cup is in use,the spring, as the following is a specification, the principle well asthe Huid-pressure within the cup from of the invention being hereinexplained and its communication with the interior of the the best modein which I have contemplated device containing Huid under pressure, will6o Io applying that principle, so as to distinguish force the valve-diskand its washer against it from other inventions. the feed-opening in thecover, closing the The annexed drawings and the following same andpreventing escape from the cup of description set forth in detail onemechanical the fluid under pressure through the cup. form embodying theinvention, such detail Thelubricant may thus pass through the dis- 65 I5construction being but one of various mecharge-channel to itsdestination. When the chanical forms in which the principle of the cupis empty, it may be filled by depressing in vention may be used. thevalve-stem by the end of the oil-can spout,

In said annexed drawings, Figure I repreas shown in Fig. II, when thelower valvesen-ts an axial section of myiinproved oil-cup, opening willbe closed, preventing the pres- 7o zo showing it in position forlubricating and sure-iiuid from escaping, while the oil may with itsfeed or filling opening closed; and iiow from the can into the cupthrough the Fig. II, a similar section of the oil-cup, showflaredopening, iilling the cup. When the ing the filling-opening opened bythespout of pressure of the can-spout is removed, the an oil-can and thedischarge-opening closed. spring and the fluid-pressure will again raise75 25 The oil-cup forming the subject-matter of the valve, closing thefeed-opening. The flarthis application is principally intended for inglower portion of said latter opening will use in lubricating theinteriors of machine guide the upper part of the valve-stemto thestructures operating upon or operated by narrow part of the opening, sothat the valve fluids under pressure-as, for example, pneuwill regainits seat, even if it has been forced 8o 3o matic hammers or similartools. to one side by the pressure of the can-spout. The cup l has ascrew-threaded neck 2, by As the escape of the pressure-fluid ispremeans of which it may be secured in the wall vented through theoil-cup as Well when the of the device to be lubricated. An annular cupis being filled as when it is feeding lubrispring-seat 3 is formedaround the'upper end cant into the device to which it is applied, 85 35of the axial discharge-borel in the neck, and this cup is adapted foruse in lubricating the a valve-seat 5 is formed in said spring-seat.interiors of pneumatic tools, such as drills The top of the cup isclosed by a screw-cover and hammers, aswell as steam-cylinders and 6,screwed into the top of the cup. Said cover valve-chests, rock-drills,or any other mahas a central opening 7 formed downwardly chineryoperating upon or operated by a fluid 9o 4o daring. A valve structure 8is formed with under compression.

a valve-disk 9, capable of covering the lower Other modes of applyingthe principle of 'fiared end of the feed-opening in the cover myinvention may be employed for the mode and having a yieldingpacking-washer 10 herein explained. Change may therefore be placed uponit, and a stem 11 passes upward made as regards the mechanism thus dis-95 4.5 and downward from said disk, so as to fit in closed, provided theprinciples of constructhe upper portion of the feed-opening when tionset forth, respectively, in the following the valve is raised,asillustrated in Fig. I, and claim are employed. to seat its valveportion I2 upon the valvei I therefore particularly point out anddisseat in the discharge-bore when the valve is tinctly claim as myinventionxoo 5o depressed, as illustrated in Fig. II. A coiled In alubricator, the combination of a cup spring 13 is placed around thelower portion provided with an outlet-neck having an outlet-channel anda. valve-seat at the inner end of said channel and a spring-seat aroundsaid valve-seat, a cover for said cup formed with an inwardly-flaringfeed-opening opposed to the Valve-seat, a. valve structure consistingo'fau valve-disk having a packing-Washer upon its face to t against thelowerend of the feedopening and a stem passing through said disk andformed with a valve at one end adapted to t the outlet Valve-seat andhaving its other end guided by the Haring sides of the feed-opening andto fit into the uppernarrow

